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34 lines
1.1 KiB
34 lines
1.1 KiB
2 years ago
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>localStorage</title>
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</head>
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<body>
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<h2>localStorage</h2>
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<button onclick="saveData()">点击保存一个数据</button><br/>
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<button onclick="readData()">点击读取一个数据</button><br/>
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<button onclick="deleteData()">点击删除一个数据</button><br/>
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<button onclick="deleteAllData()">点击清空数据</button><br/>
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<script type="text/javascript">
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let p = {name:'测试' , age:18}
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function saveData() {
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localStorage.setItem('msg', 'Hello!!')
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localStorage.setItem('msg2', 666)
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localStorage.setItem('person', JSON.stringify(p))
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}
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function readData() {
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console.log(localStorage.getItem('msg'))
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console.log(localStorage.getItem('msg2'))
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console.log(JSON.parse(localStorage.getItem('person')))
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console.log(localStorage.getItem('msg3'))
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}
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function deleteData() {
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localStorage.removeItem('msg')
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}
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function deleteAllData() {
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localStorage.clear()
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}
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</script>
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</body>
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</html>
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